Yarn spool



Jan. 9, 1934. w B|XBY I 1,942,680

YARN SPOOL FiledAprJ'l 10, 1951 INVENTOR.

Patented Jan. 9, 1934 UNITED STATES PATE NT OFFICE" 5 Claims.

This invention relates to metallic spools for use in mills and elsewhere for carrying a supply of coiled yarn, or other material, such as is-required for axminster tube frames or for other purposes in a textile mill. 1

The invention is intended to provide a simple, efiective and economical construction of spool which can be-readily renewed or restored to serviceable condition when either the head or the barrel of the spool is accidentally injured or deformed so as to render it unserviceable.

To this end the invention comprises, generally speaking, a spool whose tubular barrel carries at each end an end head that is firmly, but releasably, secured to the barrel by an attaching member dimensioned and formed to have telescopic engagement with the end of the barrel to which it is attached, while the telescoping portions of the barrel and of the attaching head are formed to provide a releasable interlocking engagement that prevents accidental separation of the spool head from the barrel, while making it possible to readily repair the spool by separating the parts and substituting such new parts as may be needed to restore the efliciency of the spool.

In the accompanying drawing I have illustrated a construction and arangement of yarn spool for a tube frame embodying the principles of this invention, in which Fig. 1 is a front elevation of a tube frame carrying my improved spool, which is shown chiefly in cross section.

Fig. 2 is a detail View showing in central section, at right angles to the plane of Fig. 1, the

means by which the heads are detachably secured to the barrel.

Fig. 3 is a cross sectional view on plane 3-3 of Fig. 2.

Fig. 4 is a detail view showing in perspective the attaching head by which the end head is secured to the barrel.

In the practice of my invention as illustrated in the drawing, I have shown the usual row of side by side tuft delivering tubes 1 secured to the usual carrier bar 2, which has secured to its opposite ends the well known type of supporting hanger or bracket 3 provided with a bearing arm or ear 4 to receive and rotatably support the outer end journals of the spool.

The barrel member of the spool comprises a metallic tube 10 of the desired length and to its opposite ends are secured the end head 6 of well known construction provided with the usual aperture '7 for holding the spool against rotation when it is mounted in the threading machine by which the tuft elements are drawn into their priate tuft tubes.

For securing each end head to the spool barrel I provide an attaching member which, in the form actually shown, comprises sheet metal strip bent up to form a substantially cylindrical cup 8 having a centrally apertured end head 8 and two wings 8 each nearly semi-circular in cross section.

This form of construction is more economical than a drawn tube with a closed end would be and permits any desired axial length of the attaching member. The substantially cylindrical portion 8 is formed and dimensioned to form telescopic engagement with the end portion of the spool barrel 10. In the present instance the attaching members are telescoped inside the ends of the tubular barrel and are provided with outwardly struck integral tongues 8 arranged at the proper distance from the end head to spring. into registering apertures 10 formed in the peripheral wall of the tube, so as to form interlocking holding or fastening means preventing accidental separation of the head from the barrel.

To properly guide the attaching member in order to bring its tongue detents into registry with the apertures 10 the spool barrel is formed with an indented boss, as shown at l0 which appro forms a guide fitting into the space between the adjacent edges of the two arcuate wings 8 of the attaching member, thereby insuring the engagement of the respective interlocking means of the attaching member and of the barrel.

Any suitable method of firmly securing the attaching members to their respective end heads may be employed. In the present case I have used the supporting journals 9 of the spool for this purpose, the journals having a reduced inner end, which is inserted through coaxially registering apertures in the end 8 of the attaching head and of the end head 6 and being headed over or riveted down to hold these two parts firmly together in coaxial relation. The journals themselves may be of any well known type and usually carry a journal pintle 9 fitting into the bearing aperture in the spool bearing arm of the end bracket. Where a sectional spool is used, as illustrated in the drawing, the usual enlarged interlocking end journals 11 and 11 may be used to releasably fasten the inner end heads to the corresponding ends of the barrel, these inner interlocking journals being mounted in any suitable form of middle stand or bracket, as shown at 5.

What I claim is:

1. A spool embracing in its construction, a

tubular barrel, a sheet metal end head, an attaching member having a substantially tubular portion dimensioned to have telescopic engagement with the interior of the barrel for a substantial distance axially of the barrel, journal members for rigidly securing the attaching members coaxially to the end heads, the barrel and the attaching members being provided with releasable positively engaged interlockin means for preventing the withdrawal of the attaching member and its head from the barrel.

2. A spool embracing in its construction, a tubular barrel provided with apertures at a distance from its ends and provided also with an inwardly projecting guiding boss, an end head bridging across the open end of the barrel, and a sheet metal attaching member coaxially secured to said end head by a rivet penetrating both members and dimensioned to fit inside the open ends of the barrel and having sliding guiding engagement with said boss and also having outwardly projecting tongues adapted to positively interlock with said apertures.

3. An attaching member for releasably fastening the end head of a spool to a tubular barrel member embracing in its construction, a disc dimensioned to fit inside the open end of the barrel and having integral arcuate concentrically arranged wings projecting perpendicularly from said disc to form close telescoping engagement with the interior of the barrel, the wings being provided with releasable interlocking tongues adapted to interlock with registering apertures in the barrel.

l. An end head for a spool embracing a centrally apertured disc-like member, an attaching member comprising a centrally perforated disc, and peripheral axially extending arcuate wings provided with means adapted to form releasable interlocking engagement with a spool barrel when inserted therein, and a journal member passing through the aligned apertures of both discs and securing them rigidly together.

5. An end head for a spool embracing in its construction, a disc-like member, a spool attaching member concentrically secured to the face of said disc, said attaching member being provided with concentric axially projecting arcuate wings dimensioned to fit inside the hollow end of a spool barrel, said wings being provided with means for forming releasable interlocking engagement with portions of the spool barrel when inserting inside said barrel, and a journal memr ber projecting outward coaxially of the head.

WALTER BDCBY. 

